<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
  <style>
    div {
        width: 200px;
        height: 50px;
        border: 1px solid red;
        /*水平对齐方式*/
        text-align: center;
        /*行高*/
        line-height: 50px;
        /*文本修饰， overline上划线，underline 下划线，line-through删除线*/
        text-decoration: overline;
        /*文本阴影，颜色，x偏移值，y偏移值，浓度*/
        text-shadow: red 5px 5px 1px;
        /*设置字体大小*/
        font-size: 20px;
        /*字体加粗 normal去掉加粗*/
        font-weight: bold;
    }
    a{
        text-decoration: none; /*去掉自带的装饰*/
    }
    h3{
        font-weight: normal;
         /*设置斜体*/
        font-style: italic;
        /*设置字体*/
        font-family: "cursive";
        font: 30px cursive;
    }
  </style>
</head>
<body>
 <h3>去掉加粗</h3>
<div>文本和字体测试</div>
<a href="">超链接</a>
</body>
</html>